diff options
| author | Wu Fengguang <fengguang.wu@intel.com> | 2011-10-04 06:46:17 +0400 |
|---|---|---|
| committer | Wu Fengguang <fengguang.wu@intel.com> | 2011-10-03 17:08:56 +0400 |
| commit | af6a311384bce6c88e15c80ab22ab051a918b4eb (patch) | |
| tree | 55ebac9ff575b3b6b4cfe46a38282c007c62d188 | |
| parent | 6c14ae1e92c77eabd3e7527cf2e7836cde8b8487 (diff) | |
| download | linux-af6a311384bce6c88e15c80ab22ab051a918b4eb.tar.xz | |
writeback: add bg_threshold parameter to __bdi_update_bandwidth()
No behavior change.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
| -rw-r--r-- | fs/fs-writeback.c | 2 | ||||
| -rw-r--r-- | include/linux/writeback.h | 1 | ||||
| -rw-r--r-- | mm/page-writeback.c | 11 |
3 files changed, 9 insertions, 5 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 04cf3b91e501..28076562ada0 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -675,7 +675,7 @@ static inline bool over_bground_thresh(void) static void wb_update_bandwidth(struct bdi_writeback *wb, unsigned long start_time) { - __bdi_update_bandwidth(wb->bdi, 0, 0, 0, 0, start_time); + __bdi_update_bandwidth(wb->bdi, 0, 0, 0, 0, 0, start_time); } /* diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 2b8963ff0f35..ddb4652cb337 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -143,6 +143,7 @@ unsigned long bdi_dirty_limit(struct backing_dev_info *bdi, void __bdi_update_bandwidth(struct backing_dev_info *bdi, unsigned long thresh, + unsigned long bg_thresh, unsigned long dirty, unsigned long bdi_thresh, unsigned long bdi_dirty, diff --git a/mm/page-writeback.c b/mm/page-writeback.c index c16ddd8f5cb6..4b954c9fe846 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -779,6 +779,7 @@ static void global_update_bandwidth(unsigned long thresh, void __bdi_update_bandwidth(struct backing_dev_info *bdi, unsigned long thresh, + unsigned long bg_thresh, unsigned long dirty, unsigned long bdi_thresh, unsigned long bdi_dirty, @@ -815,6 +816,7 @@ snapshot: static void bdi_update_bandwidth(struct backing_dev_info *bdi, unsigned long thresh, + unsigned long bg_thresh, unsigned long dirty, unsigned long bdi_thresh, unsigned long bdi_dirty, @@ -823,8 +825,8 @@ static void bdi_update_bandwidth(struct backing_dev_info *bdi, if (time_is_after_eq_jiffies(bdi->bw_time_stamp + BANDWIDTH_INTERVAL)) return; spin_lock(&bdi->wb.list_lock); - __bdi_update_bandwidth(bdi, thresh, dirty, bdi_thresh, bdi_dirty, - start_time); + __bdi_update_bandwidth(bdi, thresh, bg_thresh, dirty, + bdi_thresh, bdi_dirty, start_time); spin_unlock(&bdi->wb.list_lock); } @@ -912,8 +914,9 @@ static void balance_dirty_pages(struct address_space *mapping, if (!bdi->dirty_exceeded) bdi->dirty_exceeded = 1; - bdi_update_bandwidth(bdi, dirty_thresh, nr_dirty, - bdi_thresh, bdi_dirty, start_time); + bdi_update_bandwidth(bdi, dirty_thresh, background_thresh, + nr_dirty, bdi_thresh, bdi_dirty, + start_time); /* Note: nr_reclaimable denotes nr_dirty + nr_unstable. * Unstable writes are a feature of certain networked |